| 不可压气流中二元机翼颤振的分岔点研究 |
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| 引用本文： | 刘济科,张宪民.不可压气流中二元机翼颤振的分岔点研究[J].固体力学学报,1999,20(4):315-319. |
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| 作者姓名： | 刘济科 张宪民 |
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| 作者单位： | [1]中山大学力学系 [2]汕头大学机电系 |
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| 基金项目： | 航空科学基金!(95B53021)，广东省自然科学基金!(960030) |
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| 摘 要： | 对不可压气流中二元机翼颤振系统的分岔点进行了研究，应用中心流形理论将四维系统降低了二维系统，用后继函数判别法对分岔点的真假中心及稳定性问题进行了分析。
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| 关 键 词： | 二元机翼颤振 不可压气流 分岔点 |
ON BIFURCATION POINTS OF AIRFOIL FLUTTER IN INCOMPRESSIBLE FLOW |
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| Liu,Jike.ON BIFURCATION POINTS OF AIRFOIL FLUTTER IN INCOMPRESSIBLE FLOW[J].Acta Mechnica Solida Sinica,1999,20(4):315-319. |
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| Authors: | Liu Jike |
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| Abstract: | The characteristics of bifurcation points of airfoil flutter in incompressible flow are investigated. The centre manifold theory is used to reduce dimensions of the system. The type and stability of the bifurcation points in the subsequent reduced two dimensional system are analyzed by the method of succeeding function. It is concluded that the three bifurcation points correspond to stable or unstable foci respectively. |
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| Keywords: | bifurcation flutter centre manifold succeeding function |
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